The message of Christianity is reconciliation! (2 Cor. 5:20) This is what every Christian has been given through faith alone by God's grace alone in Christ alone (Eph. 2:8-9). You have been reconciled to God and that is the message that we need to live out - a reconciliation to God and to one another no matter our ethnicity.
Yet because of sin, racism sticks its ugly head out in a variety of ways. Racism is a sin. It destroys unity and the oneness Jesus prays for in John 17. Racism distorts the image of God that all have been created by.
Below are some free resources to educate yourself on the issue of racism and find ways to actively pursue racial unity and reconciliation:
Podcast: Listen to Jemar Tisby's experience in how he was deeply embedded in a dominant white evangelical seminary and church. Worth listening and learning from. Btw, Jemar is the author of Color of Compromise and How to Fight Racism. Both highly recommended.
For further study on racial unity and biblical diversity click below
When it comes to racial bridge-building for white people the focus should be on listening and learning from people of color. Yet there is also very important internal work that white people must do as well by addressing terms that our brothers and sisters of color use like white identity, white privilege, white supremacy, and white fragility. Here is a resource to address the 4 W's.